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Zn + 2 HBr = ZnBr2 + H2
NaOH + KC7H4O2COOH = KC7H4O2COONa + H2O =>
NaOH + KC7H4O2COOH = KC7H4O2COONa + H2O
P(s) + O2 = P4O10 =>
4 P(s) + 5 O2 = P4O10
NH4CN + NaBr = NaCN + NH4Br =>
NH4CN + NaBr = NaCN + NH4Br
HF + NaF = HNa + F2 =>
HF + NaF = HNa + F2
K2(SO4) + BaCl2 = KCl + Ba(SO4) =>
K2(SO4) + BaCl2 = 2 KCl + Ba(SO4)
Na = Na20 =>
20 Na = Na20
NaCl(aq) + F2(g) = NaF(aq) + Cl2(g) =>
2 NaCl(aq) + F2(g) = 2 NaF(aq) + Cl2(g)
Cr(OH)2 + O2 = Cr2O3 + H2O =>
4 Cr(OH)2 + O2 = 2 Cr2O3 + 4 H2O
NaOH + SnCl2 = NaCl + Na[Sn(OH)3] =>
3 NaOH + SnCl2 = 2 NaCl + Na[Sn(OH)3]
C6H5CH3 + H2SO4 = SO2 + C6H5CHO + H2O =>
C6H5CH3 + 2 H2SO4 = 2 SO2 + C6H5CHO + 3 H2O
K2O2(s) + H2O(l) = KOH(aq) + O2(g) =>
2 K2O2(s) + 2 H2O(l) = 4 KOH(aq) + O2(g)
HCHO + KMnO4 = MnO2 + K2CO3 + CO2 + H2O =>
3 HCHO + 4 KMnO4 = 4 MnO2 + 2 K2CO3 + CO2 + 3 H2O
Cu + PO = CuPO =>
Cu + PO = CuPO
CO + I2 = COI3 =>
2 CO + 3 I2 = 2 COI3
SO3 + Cu = S + CuO =>
SO3 + 3 Cu = S + 3 CuO
C4H4(g) + O2(g) = CO2(g) + H2O(l) =>
C4H4(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(l)
H2S + OH = S + H2O =>
H2S + 2 OH = S + 2 H2O
Bi + I = BiI3 =>
Bi + 3 I = BiI3
HNO3 + K2CO3 = CO2 + H2O + KNO3 =>
2 HNO3 + K2CO3 = CO2 + H2O + 2 KNO3
C6H5NH3Cl + H2O = C6H5NH4Cl + OH =>
C6H5NH3Cl + H2O = C6H5NH4Cl + OH
C2H4(OH)2 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
C2H4(OH)2 + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 6 H2O
AlBr3 + K2(SO4) = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2(SO4) = 6 KBr + Al2(SO4)3
Cr(OH)3 + Na2O = Cr2O3 + NaOH =>
2 Cr(OH)3 + 3 Na2O = Cr2O3 + 6 NaOH
Fe + Na2CO3 = Fe(CO3) + Na =>
Fe + Na2CO3 = Fe(CO3) + 2 Na
Pb2(aq) + Cl(aq) = PbCl2 =>
Pb2(aq) + 4 Cl(aq) = 2 PbCl2
Ni(OH)2 + Br2 + NaOH = NiOOH + NaBr + H2O =>
2 Ni(OH)2 + Br2 + 2 NaOH = 2 NiOOH + 2 NaBr + 2 H2O
CuFeS2(s) + O2(g) = Cu2S(s) + Fe2O3(s) + SO2(g) =>
4 CuFeS2(s) + 9 O2(g) = 2 Cu2S(s) + 2 Fe2O3(s) + 6 SO2(g)
SO2 + K(MnO4) + H2O = Mn(SO4) + K2(SO4) + H2SO4 =>
5 SO2 + 2 K(MnO4) + 2 H2O = 2 Mn(SO4) + K2(SO4) + 2 H2SO4
H2C2O4 + Pb(OH)4 = H2O + Pb(C2O4)2 =>
2 H2C2O4 + Pb(OH)4 = 4 H2O + Pb(C2O4)2
KBr + Hg2(C2H3O2)2 = BrHg + K(C2H3O2) =>
2 KBr + Hg2(C2H3O2)2 = 2 BrHg + 2 K(C2H3O2)
(NH4)2S + NaOH = (NH4)OH + Na2S =>
(NH4)2S + 2 NaOH = 2(NH4)OH + Na2S
Cr2O7{-2} + C2O4{-2} + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{-2} + 3 C2O4{-2} + 14 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O
Na + CuCl2 = NaCl + Cu =>
2 Na + CuCl2 = 2 NaCl + Cu
NaN3 + H2SO4 = Na2SO4 + HN3 =>
2 NaN3 + H2SO4 = Na2SO4 + 2 HN3
P2O3 + K2O2 = K3PO4 + O2 =>
2 P2O3 + 6 K2O2 = 4 K3PO4 + O2
Sr3N2 = Sr + N =>
Sr3N2 = 3 Sr + 2 N
Na2C2O4 = Na + C2O4 =>
Na2C2O4 = 2 Na + C2O4
Fe(III)O + H = Fe(III) + H2O =>
Fe(III)O + 2 H = Fe(III) + H2O
C + ZnO2 = Zn + CO2 =>
C + ZnO2 = Zn + CO2
NaCl + AgN = NaClAgN =>
NaCl + AgN = NaClAgN
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
BaO + C + N2 = Ba(CN)2 + CO2 =>
2 BaO + 5 C + 2 N2 = 2 Ba(CN)2 + CO2
KBr + Hg2(C2H3O2)2 = BrHg + K(C2H3O2) =>
2 KBr + Hg2(C2H3O2)2 = 2 BrHg + 2 K(C2H3O2)
PbO2 + H2S = PbS + H2O + S =>
PbO2 + 2 H2S = PbS + 2 H2O + S
NaNO3 + CuO = NaNO2 + CuO2 =>
NaNO3 + CuO = NaNO2 + CuO2
Na2O(s) + CO2(g) + H2O(g) = NaHCO3 =>
Na2O(s) + 2 CO2(g) + H2O(g) = 2 NaHCO3
HNO3 + KMnO4 = MnO2 + KNO3 + H2O + O2 =>
4 HNO3 + 4 KMnO4 = 4 MnO2 + 4 KNO3 + 2 H2O + 3 O2
Co(OH)2 + NH3 = Co(NH3)6{2+} + OH{-} =>
Co(OH)2 + 6 NH3 = Co(NH3)6{2+} + 2 OH{-}
NaHPO4 + BaCl2 = BaPO4 + NaHCl2 =>
NaHPO4 + BaCl2 = BaPO4 + NaHCl2
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